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How to post data to specific URL using WebClient in C#
...s the garbage collector will clean up unmanaged resources and the like by calling the destructor (e.g., WebClient inherits from Component, which contains ~Component() {Dispose(false);}). The problem is that the garbage collector may take an arbitrarily long time to do so, since it does not account ...
Loop through properties in JavaScript object with Lodash
.../lodash.com/docs#forOwn
Note that forOwn checks hasOwnProperty, as you usually need to do when looping over an object's properties. forIn does not do this check.
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Retrieve only the queried element in an object array in MongoDB collection
...r to filter an array during projection, which has the benefit of including all matches, instead of just the first one.
db.test.aggregate([
// Get just the docs that contain a shapes element where color is 'red'
{$match: {'shapes.color': 'red'}},
{$project: {
shapes: {$filter: {
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Why can't I use the 'await' operator within the body of a lock statement?
The await keyword in C# (.NET Async CTP) is not allowed from within a lock statement.
8 Answers
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Change string color with NSAttributedString?
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There is no need for using NSAttributedString. All you need is a simple label with the proper textColor. Plus this simple solution will work with all versions of iOS, not just iOS 6.
But if you needlessly wish to use NSAttributedString, you can do something like this:
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Get value from SimpleXMLElement Object
... i can't believe this is so complicated. why would they make a class called "getName" but not "getValue"? why would they print empty string if you printed it instead of converted it manually to (string). WHY??
– user151496
Oct 17 '16 at 12:31
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Remove All Event Listeners of Specific Type
I want to remove all event listeners of a specific type that were added using addEventListener() . All the resources I'm seeing are saying you need to do this:
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Cannot delete or update a parent row: a foreign key constraint fails
... (`advertiser_id`)
REFERENCES `jobs` (`advertiser_id`);
...is actually the opposite to what it should be. As it is, it means that you'd have to have a record in the jobs table before the advertisers. So you need to use:
ALTER TABLE `jobs`
ADD CONSTRAINT `advertisers_ibfk_1` FOREIGN KEY...
What is the (function() { } )() construct in JavaScript?
...tion expression. Then look at the last pair (function(){})();, this is normally added to an expression to call a function; in this case, our prior expression.
This pattern is often used when trying to avoid polluting the global namespace, because all the variables used inside the IIFE (like in any ...
Trying to mock datetime.date.today(), but not working
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There are a few problems.
First of all, the way you're using mock.patch isn't quite right. When used as a decorator, it replaces the given function/class (in this case, datetime.date.today) with a Mock object only within the decorated function. So, only within...